1. carbide rods and bars 2. Grade: JT106U, YG6X, JT302A, JT401, YG15 3. High quality and good service GradeISO codeCobalt content(wt-%)Hardness(HRA)Density(g/cm3)TRS(ISO3327)Grain sizeRecommended ApplicationsJT106UK05-K106%94.014.7537000.4-0.5suitable for machining aluminum -magnesium alloys,glass fiber,carbon fiber,wood,harden plstic,etc. It is recommended for making PCB micro tools and drills ...